Medicare Advantage in Ascension, Louisiana
15,286 people in Ascension, Louisiana were enrolled in Medicare Advantage in October 2026, 68.5% of 22,321 eligible beneficiaries (−0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 44% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 3,796 (highly concentrated). For 2027, 1,539 members here are in plans that terminate or leave the county. MA plans offered go from 34 to 32.
Parent organizations in Ascension
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 6,661 | +157 | 43.7% |
| Humana Inc. | 6,521 | +215 | 42.8% |
| Louisiana Health Service & Indemnity Company | 802 | +101 | 5.3% |
| CVS Health Corporation | 757 | −49 | 5.0% |
| Centene Corporation | 305 | −49 | 2.0% |
| Devoted Health, Inc. | 111 | new | 0.7% |
| Elevance Health, Inc. | 57 | +10 | 0.4% |
| Mitchell Family Office | 16 | −3 | 0.1% |
| Highmark Health | 14 | −3 | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 616 beneficiaries in Ascension were assigned to 29 Medicare Shared Savings Program ACOs, 14.3% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.